18=-3(2x+3)+7x

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Solution for 18=-3(2x+3)+7x equation: 



18=-3(2x+3)+7x

We move all terms to the left:

18-(-3(2x+3)+7x)=0



We calculate terms in parentheses: -(-3(2x+3)+7x), so:

-3(2x+3)+7x

We add all the numbers together, and all the variables

7x-3(2x+3)

We multiply parentheses

7x-6x-9

We add all the numbers together, and all the variables

x-9

Back to the equation:

-(x-9)



We get rid of parentheses

-x+9+18=0

We add all the numbers together, and all the variables

-1x+27=0

We move all terms containing x to the left, all other terms to the right

-x=-27

x=-27/-1

x=+27

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